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  1. #1
    moron oxy's Avatar
    Join Date: Jul:2005
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    Èíòåðåñíè ôèçè÷íè ÿâëåíèÿ è åêñïåðèìåíòè.

    Âå÷å íÿêîëêî ïúòè ïîïàäàì íà èíòåðåñíè äåìîíñòðàöèè íà ðåäêè ôèçè÷íè ÿâëåíèÿ, íÿêîè ìîæå è äà ñà ïîñòàíîâêà, ïîâå÷åòî ñè èìàò ñúâñåì ëîãè÷íî îáÿñíåíèå.

    Çàïî÷âàì ñ òåçè äâåòå:

    Íåîäèìíè ìàãíèòè è ìåäíà òðúáà:



    Ñâðúõïðîâîäíèöè.



    Âàø ðåä å

  2. #2
    Registered abUser ike's Avatar
    Join Date: Jul:2004
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    Posts: 4,965

    2:25 áúã â ìàòðèöàòà.

    Øàìïîàí.
    Have no fear ike iz here.
    CPU Cx486DLC@40MHz, RAM 4MB, VGA Trident 512KB, HDD Conner 160MB, Monitor 14" Color

  3. #3

  4. #4
    Registered User
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    Àç áèõ ïðåïîðú÷àë ôèëìà BBC.Absolute.Zero.The.Conquest.of.Cold, êúäåòî ñà ïîêàçàíè èíòåðåñíè ôèçè÷íè ÿâëåíèÿ ñ ïðèáëèæàâàíåòî äî àáñîëþòíàòà íóëà, êîåòî âêëþ÷âà è ñâðúõïðîâîäíèöèòå ïî-ãîðå.

  5. #5
    Åíòóñèàñò lafi's Avatar
    Join Date: Dec:2006
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    Òîâà ñ ìàãíèòà è ìåäíàòà òðúáà, ìîæå äà ñå ïîëçâà çà àìîðòèñüîð.
    Åíòóñèàñò.
    ÍÅ ÑÚÌ ÄÎÂÎËÅÍ ÎÒ ÏÎÐÍÎÒÎ Â ÒÎß ÑÀÉÒ!

  6. #6
    Êèñåëèÿ ÷îâåê™
    Join Date: Apr:2006
    Location: Ñîôèÿ
    Posts: 8,666
    Quote Originally Posted by lafi View Post
    Òîâà ñ ìàãíèòà è ìåäíàòà òðúáà, ìîæå äà ñå ïîëçâà çà àìîðòèñüîð.
    Úõú, è êàê ùå îñèãóðèø ñòàáèëåí îáðàòåí õîä? Ñ ïðóæèíà?! Äîáðå äîøúë â êëóáà "Enough complexity for me, I'm moving to the KISS principle"

    Íå ñúì â÷åðàøåí è çíàì çà òâúðäå ñêúïî ðåøåíèå, íî äà ÷óåì òâîèòå ïðåäëîæåíèÿ

  7. #7
    Banned all's Avatar
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    Îáè÷àì òàêèâà îïèòè, îùå ïîâå÷å òàêèâà êîèòî ìîãàò äà ñå íàïðàâÿò â êúùè
    Åäèí, êîéòî ìîæå äà âúçïðîèçâåäåòå ñ ïîäðú÷íè ìàòåðèàëè:
    Òðÿáâàò áàëîí, ñëàìêà, êîíåö èëè òúíúê êàáåë íÿêîëêî ìåòðà, ñêî÷, íîæèöà.
    Íàõëóçâà ñå ñëàìêàòà íà êîíåöà (êàáåëà), à òîé ñå çàâúðçâà çà äâàòà ñè êðàÿ êúäåòî ðåøèòå, ñòèãà äà íå ñå îïèðà ïî ñðåäàòà äî íèùî è äà å îïúíàò. Îòðÿçâàòå 5-6 ñì ñêî÷ è îòðÿçúêà ãî äúðæèòå ïîä ðúêà. Íàäóâàòå áàëîíà è êàòî ñå íàäóå, ãî ñòèñêàòå ñ ðúêà, áåç äà ãî çàâúðçâàòå. Çàëåïÿòå ñêî÷à, òàêà ÷å äà îáêðà÷âà ñëàìêàòà è äà õâàùà áàëîíà â äâå òî÷êè íÿêúäå â ñðåäíàòà ìó ÷àñò. Îñâîáîäåòå îòâîðà íà áàëîíà, êîéòî äîñåãà ñòå ñòèñêàëè è òîé ùå ñå ïîíåñå çàåäíî ñúñ ñëàìêàòà íàïðåä, íîñåí îò ðåàêòèâíàòà ñèëà.  íàé-óñúâúðøåíñòâàíèÿ ñè âàðèàíò ñúì óñïÿâàë äà ïðåìèíå íàä 15 ì.

  8. #8
    Registered User aHoHuMeH's Avatar
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    Ma haine est generale, et je hais tous les hommes: / Les uns, parce qu'ils sont mechants et malfaisants,
    Et les autres, pour etre aux mechants complaisants, / Et n'avoir pas, pour eux, ces haines vigoureuses
    Que doit donner le vice aux ames vertueuses.

  9. #9
    Registered User
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    èìàìå òåìà çà èíòåðåñíè ëèíê÷åòà, òàì ñúùî èìà äîñòà ïîäîáíè ïðèìåðíî:
    íÿìà êîé äà ÿ úïäåéòíå ïóñòàòà ñèãíàòóðà

  10. #10
    Bleed CuMo's Avatar
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    Quote Originally Posted by michev View Post
    èìàìå òåìà çà èíòåðåñíè ëèíê÷åòà, òàì ñúùî èìà äîñòà ïîäîáíè ïðèìåðíî:

    “Morpho Towers--Two Standing Spirals” is an installation that consists of two ferrofluid sculptures that moves synthetically to music. The two spiral towers stand on a large plate that hold ferrofluid. When the music starts, the magnetic field around the tower is strengthened. Spikes of ferrofluid are born from the bottom plate and move up, trembling and rotating around the edge of the iron spiral.
    The body of the tower was made by a new technique called “ferrofluid sculpture” that enables artists to create dynamic sculptures with fluid materials. This technique uses one electromagnet, and its iron core is extended and sculpted. The ferrofluid covers the sculpted surface of a three-dimensional iron shape that was made on an electronic NC lathe. The movement of the spikes in the fluid is controlled dynamically on the surface by adjusting the power of the electromagnet. The shape of the iron body is designed as helical so that the fluid can move to the top of the helical tower when the magnetic field is strong enough.
    The surface of the tower responds dynamically to its magnetic environment.
    When there is no magnetic field, the tower appears to be a simple spiral shape. But when the magnetic field around the tower is strengthened, spikes of ferrofluid are born; at the same time, the tower’s surface dynamically morphs into a variety of textures ranging from soft fluid to minute moss, or to spiky shark’s teeth, or again to a hard iron surface. The ferrofluid, with its smooth, black surface that seems to draw people in, reaches the top of the tower, spreading like a fractal, defying gravity.
    The spikes of ferrofluid are made to rotate around the edge of the spiral cone, becoming large or small depending on the strength of the magnetic field. In this work the speed of this rotation can be controlled without motors or shaft mechanisms ? we simply control the magnetic power.
    In this work, we are trying to activate analogue physical phenomena (= fluid) precisely by utilizing digital music metadata. To control the synchronization of the ferrofluid with the music playback in real time, time series metadata are added to the music beforehand. The metadata consist of musical information, such as beat position, chord progression, and melody block information, and ferrofluid control information such as DC bias voltage and AC pattern. Each data record has a time stamp that indicates the timing of presentation. All data are stored in time-series order.
    These time series metadata must be accurate for precise control of timing, so as to cancel the time delay of fluid movement. By this correction, the time when the protuberance of the spike reaches its maximum size is coincident with the beat of the music. As a result, the rhythm of the fluid movement coincides with the musical rhythm. When there is no sound, the fluid falls down into the plate.
    As there are two towers in the installation, complicated expressions of surfaces become possible. Each tower’s surface pulsates, like one creature calling to the other.
    Fluid moves synthetically with the music, as if it breathes, and the condition of the fluid's surface emerges as autonomous and complex. In this art we want to harmonize several opposing properties, such as hardness (iron) / softness (fluid) and freedom (desire for design) / restriction (natural powers such as gravity). This work emerges as an autonomous transformation of the material itself: sometimes it seems like a horn, sometimes a fir tree, and sometimes even like the Tower of Babel.

    Çà òèÿ êàòî ìåí äåòî ñå ÷óäåõà êàê å íàïðàâåíî òîâà

    Íàé-ïðîñòî êàçàíî - òîâà ñà ìàãíèòíè êîíóñè ñ âèíòîâè êàíàëè, à òå÷íîñòòà îêîëî òÿõ ñúùî å "ìàãíèòíà".
    Êîãàòî ñå îñèãóðè ïîäõîäÿùîòî ìàãíèòíî ïîëå îêîëî òÿõ - èçñêà÷àò è ïðè÷óäëèâèòå ôîðìè.

    Èçòðèò ïîäïèñ ñ íåïîçâîëåíî ñúäúðæàíèå.

  11. #11
    Banned all's Avatar
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    Îùå åäèí:
    Íåîáõîäèìè ñà ñåøîàð ñ êðúãúë îòâîð îòïðåä (èëè àêî íå å êðúãúë, ïîíå äà ìîæå äà ñå ìàõà íàêðàéíèêà ìó, òàêà ÷å äà ñòàíå êðúãúë), èçëèøíà ïëàñòìàñîâà áóòèëêà îò âîäà/áåçàëêîõîëíà íàïèòêà 0,5 èëè 1,5 ë., òîï÷å çà òåíèñ íà ìàñà, íîæèöà. Ñ áóòèëêà îò áèðà îïèòà íå ñòàâà òîëêîâà äîáðå ïîíåæå îòâîðúò è å ñ ïî-ãîëÿì äèàìåòúð.
    Ìàõàòå êàïà÷êàòà íà áóòèëêàòà, èçðÿçâàòå ãúðëîòî è òàêà, ÷å äà ìîæåòå èçðåçêàòà îò ãúðëîòî äà ÿ íàáóòàòå â ñåøîàðà è äà ñòàíå íåùî êàòî ñîïëî çà òîïëèÿ âúçäóõ. Àêî ñåøîàðà âè èìà îòäåëíà íàñòðîéêà çà òåìïåðàòóðà è ñèëà íà âúçäóõà íàãëàñåòå ãî íà ìàêñ âúçäóõ è íàé-íèñêà òåìïåðàòóðà. Àêî íÿìà - çäðàâå äà å, ïðèãîòâåòå ñå äà ãî ïóñíåòå íà ÌÀÕ. Ïðåäè äà ãî âêëþ÷èòå îáúðíåòå ãî òàêà ÷å ñòðóÿòà âúçäóõ äà èçëèçà ïðåç ïîñòàâåíàòà èçðåçêà îò áóòèëêàòà ïðàâî íàãîðå. Âëþ÷åòå ñåøîàðà. Àêî ñòå çàêðåïèëè äîáðå ãúðëîòî îò áóòèëêàòà òî íÿìà äà èçëåòè, à êàòî ñîïëî íà äâèãàòåë ùå óñêîðè ïðåìèíàâàùèÿ âúçäóõ ïðåç íåãî. Ïîñòàâåòå òîï÷åòî â òàçè ñòðóÿ è òî ùå çàòàíöóâà âúâ âúçäóõà (òàêà ïðàâåõà òîïêèòå çà òîòîòî). Ïî èíòåðåñíîòî å ÷å ìîæåòå äà íàêëàíÿòå ñåøîàðà íàëÿâî è íàäÿñíî ïî÷òè äî 90 ãðàäóñà, áåç òîï÷åòî äà ïàäíå, ñòðóÿòà ùå ãî äúðæè!

  12. #12
    Åêñïåðèìåíòàòîð Nuclear's Avatar
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    Mythbusters - Fun With Gas

    Íå îòãîâàðÿì íà íåãðàìîòíè ïîñòîâå. Äà èçòèêàìå HWBG ïàïëà÷òà!

  13. #13
    Registered User BeTaTesTeR's Avatar
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    Àç èìàì öÿëà òàêàâà êíèãà, êàçâà ñå "Ëåòÿùèÿ öèðê íà ôèçèêàòà" îò Äæúðë Óîêúð.Ñàìî, ÷å òàì ñà äàäåíè êàòî âúïðîñè è íà êðàÿ íà êíèãàòà èìà îòãîâîðè èëè ïîäñêàçêè.Ñíèìàõ íÿêîëêî èíòåðåñíè.
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    Ñèñòåìàòà êàçâà ÍÅ!

  14. #14
    Registered User Mechkov's Avatar
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    Òîâà å èçêëþ÷èòåëíî áîëíî, êàêòî è äðóãèòå íåùà îò òàçè ñòàòèÿ:
    7 Man-Made Substances that Laugh in the Face of Physics
    Êàòî ÷óÿ èíòåðåñíè ôèçè÷íè ÿâëåíèÿ, îáà÷å, ïúðâîòî íåùî â ãëàâàòà ìè âèíàãè å the double slit experiment.

    Èìà ñóïåð èçâðàòåíè ïðîèçâîäíè åêñïåðèìåíòè, â êîèòî (íå)íàëè÷èåòî íà èíòåðåôåðåí÷íà êàðòèíà ñå âëèÿå ìîìåíòíî îò óñëîâèÿ íà íÿêîëêî ñâåòëèííè ãîäèíè (áåç îáà÷å äà ñå ïðåíàñÿ èíôîðìàöèÿ).
    Äðóãî çàáåëåæèòåëíî ÿâëåíèå å åôåêòúò íà Êàçèìèð. Íàáëþäàâàí åêñïåðèìåíòàëíî çà ïúðâè ïúò ïðåç 97-ìà. Òîé äîêàçâà íàëè÷èåòî íà êâàíòîâè ôëóêòóàöèè (ïîÿâÿâàíåòî è èç÷åçâàíåòî íà ïðîèçâîëíè åëåìåíòàðíè ÷àñòèöè â ïðàçíîòî ïðîñòðàíñòâî).

  15. #15
    Registered User BeTaTesTeR's Avatar
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    Åòî îùå íÿêîëêî:
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    Ñèñòåìàòà êàçâà ÍÅ!

  16. #16
    Banned instinct's Avatar
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    Quote Originally Posted by Mechkov View Post
    Êàòî ÷óÿ èíòåðåñíè ôèçè÷íè ÿâëåíèÿ, îáà÷å, ïúðâîòî íåùî â ãëàâàòà ìè âèíàãè å the double slit experiment.

    Èìà ñóïåð èçâðàòåíè ïðîèçâîäíè åêñïåðèìåíòè, â êîèòî (íå)íàëè÷èåòî íà èíòåðåôåðåí÷íà êàðòèíà ñå âëèÿå ìîìåíòíî îò óñëîâèÿ íà íÿêîëêî ñâåòëèííè ãîäèíè (áåç îáà÷å äà ñå ïðåíàñÿ èíôîðìàöèÿ).
    Õàðåñâà ìè êàê å îáÿñíåí åêñïåðèìåíòà, ìíîãî äîáðî âèäåî! À è òîâà, êúì êîåòî íè íàñî÷âà òîé, å ìíîãî âàæíî.

  17. #17
    moron oxy's Avatar
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  18. #18
    moron oxy's Avatar
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    Supercooled Water



     "related" ëèíêîâåòå èìà îùå äîñòàòú÷íî ïî òåìàòà.

  19. #19
    Registered User mertol's Avatar
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  20. #20
    1+1=11 svr's Avatar
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    Êàê äà ñè "îòãëåäàìå" êðàñèâè êðèñòàëè îò ìåäåí ñóëôàò (ñèí êàìúê) çà 4 ÷àñà.


    Èãðà ñ íàìîòêà íà Òåñëà (Tesla coil)

    Ïîçäðàâëíèÿ çà ïðåêðàñíàòà òåìà!
    MSI B450 Gaming Pro Carbon AC | Ryzen 9 5900x | HyperX Predator 3200 | Asus Strix 3090 | Kingston KC3000 2TB | WD Red 4TB | Dell G3223Q + LG 27UK650-W | Arctic Freezer 360 | Seasonic Focus GX-1000 | Lian Li O11 Dynamic

  21. #21
    æåëåçîáåòîíäúðâåí pehoko's Avatar
    Join Date: Feb:2006
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    íå ìå èíòåðåñóâàò ìíåíèÿòà íà ëèöàòà
    NiOOH Madboy BozoMaster Bucket tony HillyBilly tedych Spellcaster MrShadow nbozhinov degman tonich
    äà íå ìå àïîñòðîôèðàò, îòãîâîð íÿìà äà ïîëó÷àò

  22. #22
    moron oxy's Avatar
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    Ñòóäåí ëåä:



    È åäèí ïðèìåð ïî åäíà äîñòà ãîëÿìà òåìà - non newtonian fluids:



    Mythbusters èìàò ïðåäàâàíå ïî òåìàòà.

    Quote Originally Posted by michev View Post
    èìàìå òåìà çà èíòåðåñíè ëèíê÷åòà, òàì ñúùî èìà äîñòà ïîäîáíè
    Çíàì, íî òàì èìà âñè÷êî, èäåÿòà ìè å òàçè äà å ìàëêî ïî-íÀó÷íî íàñî÷åíà, è äîêàòî ïðèìåðíî òàêèâà êàòî ìåí äåòî íèùî íå âäÿâàò ïóñêàò èíòåðåñíè íåùà, äðóãè ïî-ðàçáèðàùè äà êàçâàò çàùî å òàêà (èëè çàùî òàêà íå å âúçìîæíî)

  23. #23
    Åíòóñèàñò lafi's Avatar
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    Ïåðïåòóì ìîáèëå
    http://warnet.ws/news/18293
    Ìèñëÿ ÷å èìà ëîãèêà â òîâà .
    Åíòóñèàñò.
    ÍÅ ÑÚÌ ÄÎÂÎËÅÍ ÎÒ ÏÎÐÍÎÒÎ Â ÒÎß ÑÀÉÒ!

  24. #24
    Phonographer Sassho's Avatar
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    Quote Originally Posted by lafi View Post
    Ïåðïåòóì ìîáèëå
    Ìèñëÿ ÷å èìà ëîãèêà â òîâà .
    Õåõ , íèùî ñëîæíî - ÷îâåêà ãî å íàïðàâèë îò êàðòîí. Èäåÿòà å òâúðäå ñòàðà è äîêàçàíî íåðàáîòè , íå çíàì ïîðàäè êàêâà ïðè÷èíà
    Îáúðíåòå âíèìàíèå íà êðàèùàòà - êàòî ëîïàòêè ñà. Íàé-âåðîÿòíî íÿêúäå èçâúí êàìåðàòà äóõà âåíòèëàòîð èëè ñóøîàð
    NoteBook HP G72 B40SQ , CîreDuo P6100 2.0 Ghz 3mb cache , ATI 5470 512mb DDR3 , 3Gb DDR3 RAM , 640Gb 8mb cache SATA,17''Display

    Ìîÿò ôîòîàëáóì

  25. #25
    Registered User
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    Posts: 423
    http://news.ibox.bg/news/id_1044008855 , http://www.forbes.com/feeds/ap/2011/...d_8695154.html
    Òîâà âå÷å å íàèñòèíà èíòåðåñíî ôèçè÷íî ÿâëåíèå.Òî å ÿñíî, ÷å äíåøíàòà íàóêà ñå îñíîâàâà ñàìî íà òåîðèè è äîãàæäàíå íà óðàâíåíèÿòà, íî àêî íåùî òîëêîâà ôóíäàìåíòàëíî ñå îêàæå ãðåøíî (Àéíùàéí ñå îáðúùà â ãðîáà ñèãóðíî).

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